Adhesive base



FIG. 1 is a front perspective view of an adhesive base in accordance with our new design;

FIG. 2 is a rear perspective view of the adhesive base of FIG. 1;

FIG. 3 is a front elevation view of the adhesive base of FIG. 1;

FIG. 4 is a rear elevation view of the adhesive base of FIG. 1;

FIG. 5 is a right-side elevation view of the adhesive base of FIG. 1;

FIG. 6 is a left-side elevation view of the adhesive base of FIG. 1;

FIG. 7 is a top plan view of the adhesive base of FIG. 1; and,

FIG. 8 is a bottom plan view of the adhesive base of FIG. 1.

The broken lines depict portions of the adhesive base and a mounting device that form no part of the claimed design. 

CLAIM We claim the ornamental design for an adhesive base, as shown and described. 